National Road (M)1.9 (Serbia)
# National Road (M)1.9 (Serbia)

National Road 1.9 (alternatively marked as M-1.9, M1.9 and M 1.9), was a road in Serbia, connecting Belgrade with Romania at Vatin. After the new road categorization regulation given in 2013, the route wears the name 10, except for the section passing through the capital city, which is currently not numbered. The route was a national road with two traffic lanes (more in city sections).

## Sections

| Section number | Length | Distance | Section name |
| - | - | - | - |
| 0043 | 10.4 km (6.5 mi) | 10.4 km (6.5 mi) | Belgrade (Mostar interchange) – Belgrade (Krnjača) |
| 0044/1450 | 7.4 km (4.6 mi) | 17.8 km (11.1 mi) | Belgrade (Krnjača) – Sibnica |
| 0046/1451 | 2.2 km (1.4 mi) | 20.0 km (12.4 mi) | Sibnica – Vojvodina border (Pančevo) |
| 2014/2015 | 5.7 km (3.5 mi) | 25.7 km (16.0 mi) | Vojvodina border (Pančevo) – Pančevo 1 (Kovin) |
| 2016/2017 | 1.3 km (0.81 mi) | 27.0 km (16.8 mi) | Pančevo 1 (Kovin) – Pančevo 2 (Zrenjanin) (overlap with ) |
| 2018 | 31.8 km (19.8 mi) | 58.8 km (36.5 mi) | Pančevo 2 (Zrenjanin) – to Alibunar |
| 2019 | 5.2 km (3.2 mi) | 64.0 km (39.8 mi) | to Alibunar – Banatski Karlovac |
| 2306 | 0.7 km (0.43 mi) | 64.7 km (40.2 mi) | Banatski Karlovac – Deliblato |
| 2020 | 11.2 km (7.0 mi) | 75.9 km (47.2 mi) | Deliblato – Uljma |
| 2021 | 13.7 km (8.5 mi) | 89.6 km (55.7 mi) | Uljma – Vršac 1 (Zrenjanin) (overlap with ) |
| 2022 | 1.0 km (0.62 mi) | 90.6 km (56.3 mi) | Vršac 1 – Vršac 2 (to Straža) |
| 2023 | 13.4 km (8.3 mi) | 104.0 km (64.6 mi) | Vršac 2 (to Straža) – Serbia – Romania border at Vatin |
